100023130 has 16 divisors (see below), whose sum is σ = 181191240. Its totient is φ = 39753792.

The previous prime is 100023127. The next prime is 100023139. The reversal of 100023130 is 31320001.

It can be written as a sum of positive squares in 4 ways, for example, as 47155689 + 52867441 = 6867^2 + 7271^2 .

It is a super-3 number, since 3×100023130³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100023139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30285 + ... + 33424.

Almost surely, 2^100023130 is an apocalyptic number.

100023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100023130 is a deficient number, since it is larger than the sum of its proper divisors (81168110).

100023130 is a wasteful number, since it uses less digits than its factorization.

100023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63873.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 100023130 is about 10001.1564331331. The cubic root of 100023130 is about 464.1946672524.

Adding to 100023130 its reverse (31320001), we get a palindrome (131343131).

The spelling of 100023130 in words is "one hundred million, twenty-three thousand, one hundred thirty".